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Homonymy in phonological change.
1Department of Speech and Hearing Sciences, Indiana University, Bloomington, IN 47405, USA.
Clinical Linguistics & Phonetics
|May 21, 2013
Summary
This study found that comparing two incorrect sounds (non-homonymous treatment) improved speech sound production more effectively than comparing correct sounds with incorrect ones (homonymous treatment). This approach led to better accuracy and learning of new sounds.
Area of Science:
- Speech-language pathology
- Phonological acquisition
- Childhood speech sound disorders
Background:
- Homonymy, where different words sound alike, is a common issue in phonological disorders.
- Treatment approaches vary in how they address homonymy to improve speech sound production.
- Understanding the role of homonymy in treatment is crucial for effective intervention.
Purpose of the Study:
- To evaluate the effectiveness of two phonological treatment structures.
- To determine if emphasizing homonymy impacts the learning of target and non-target sounds.
- To investigate the role of homonymy as a motivator for phonological change.
Main Methods:
- Two treatment groups were compared: one emphasizing homonymy (minimal pair treatment) and one not (empty set treatment).
- Effectiveness was measured by improvements in producing treated and untreated error sounds.
- Differential learning was assessed by analyzing accuracy rates and the generalization of sound production.
Main Results:
- The non-homonymous treatment structure led to significantly greater accuracy in producing treated sounds.
- The non-homonymous approach also resulted in the acquisition of more new, untreated sounds.
- Differential learning patterns were observed between the two treatment structures.
Conclusions:
- Emphasizing homonymy may not be the most effective strategy for phonological treatment.
- A non-homonymous treatment approach appears more beneficial for improving speech sound accuracy and generalization.
- Findings suggest rethinking the role of homonymy in designing phonological interventions.
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